Digi Birds Apollo Single Pack Digi birds are beautifully designed interactive, tweeting birds that are full of lifelike movements and songs! Watch this solo songbird tweet you 20 beautiful tunes! Use the Whistle Ring to activate their melodies! Digi birds can sing solo or in a choir. Build your collect and create beautiful melodies as they sing in harmony! Digi birds are made for kids ages 5+ and have batteries included